			Credit Suisse First Boston Mortgage Securities Corp.							Contact:
			Home Equity Pass-Through Certificates, Series 2005-AGE1							Kristy Frideres
										Account Administrator
			STATEMENT TO CERTIFICATEHOLDERS							651-495-2124
			Section 4.04 of the PSA, dated April 1, 2005							kristy.frideres@usbank.com

Distribution Date:

25-Aug-05

		Original	Beginning				Interest		Ending
		Certificate	Certificate	Principal	Interest	Realized Loss	Shortfall	Total	Certificate
Class	Cusip	Face Value	Balance (1)	Distribution	Distribution	of Principal	Amount	Distribution	Balance (1)
A-1	225458NN4	$146,545,000.00	$118,296,933.07	$6,243,304.66	$366,720.49	N/A	$0.00	$6,610,025.15	$112,053,628.41
A-2	225458NP9	$44,325,000.00	$44,325,000.00	$0.00	$171,390.00	N/A	$0.00	$171,390.00	$44,325,000.00
A-3	225458NQ7	$12,975,000.00	$12,975,000.00	$0.00	$54,927.50	N/A	$0.00	$54,927.50	$12,975,000.00
A-4	225458NR5	$11,570,000.00	$11,570,000.00	$0.00	$51,390.08	N/A	$0.00	$51,390.08	$11,570,000.00
A-5	225458NS3	$28,400,000.00	$28,400,000.00	$0.00	$117,860.00	N/A	$0.00	$117,860.00	$28,400,000.00
M-1	225458NV6	$12,780,000.00	$12,780,000.00	$0.00	$43,579.80	$0.00	$0.00	$43,579.80	$12,780,000.00
M-2	225458NW4	$6,105,000.00	$6,105,000.00	$0.00	$20,923.19	$0.00	$0.00	$20,923.19	$6,105,000.00
M-3	225458NX2	$3,550,000.00	$3,550,000.00	$0.00	$12,564.04	$0.00	$0.00	$12,564.04	$3,550,000.00
M-4	225458NY0	$3,550,000.00	$3,550,000.00	$0.00	$12,869.74	$0.00	$0.00	$12,869.74	$3,550,000.00
M-5	225458NZ7	$3,550,000.00	$3,550,000.00	$0.00	$13,022.58	$0.00	$0.00	$13,022.58	$3,550,000.00
M-6	225458PA0	$2,130,000.00	$2,130,000.00	$0.00	$8,730.63	$0.00	$0.00	$8,730.63	$2,130,000.00
B-1	225458PB8	$2,840,000.00	$2,840,000.00	$0.00	$12,741.34	$0.00	$0.00	$12,741.34	$2,840,000.00
B-2	225458PC6	$2,130,000.00	$2,130,000.00	$0.00	$10,931.63	$0.00	$0.00	$10,931.63	$2,130,000.00
B-3	225458PD4	$2,130,000.00	$2,130,000.00	$0.00	$12,765.80	$0.00	$0.00	$12,765.80	$2,130,000.00
B-4	225458PE2	$1,420,000.00	$1,420,000.00	$0.00	$8,510.53	$0.00	$0.00	$8,510.53	$1,420,000.00
P	225458NM6	$50.00	$50.00	$0.00	$28,578.68	N/A	$0.00	$28,578.68	$50.00
X	225458NL8	$284,001,402.05	$258,499,039.84	$0.00	$193,508.09	N/A	$0.00	$193,508.09	$253,342,697.34
R	225458NT1	$25.00	$0.00	$0.00	$0.00	N/A	$0.00	$0.00	$0.00
R-II	225458NU8	$25.00	$0.00	$0.00	$0.00	N/A	$0.00	$0.00	$0.00
Total		$284,000,100.00	$255,751,983.07	$6,243,304.66	$1,141,014.12	$0.00	$0.00	$7,384,318.78	$249,508,678.41

(1) Class X is an IO Cert, and the X Balance reflected is a Notional Amount

			Interest		Ending		Current
	Principal	Interest	Carry-forward	Total	Certificate		Pass-Through
Class	Distribution	Distribution	Amount	Distribution	Balance	Class	Interest Rate
A-1	$42.60332772	$2.50244287	$0.00000000	$45.10577058	$764.63631246	A-1	3.60000%
A-2	$0.00000000	$3.86666667	$0.00000000	$3.86666667	$1,000.00000000	A-2	4.64000%
A-3	$0.00000000	$4.23333333	$0.00000000	$4.23333333	$1,000.00000000	A-3	5.08000%
A-4	$0.00000000	$4.44166638	$0.00000000	$4.44166638	$1,000.00000000	A-4	5.33000%
A-5	$0.00000000	$4.15000000	$0.00000000	$4.15000000	$1,000.00000000	A-5	4.98000%
M-1	$0.00000000	$3.41000000	$0.00000000	$3.41000000	$1,000.00000000	M-1	3.96000%
M-2	$0.00000000	$3.42722195	$0.00000000	$3.42722195	$1,000.00000000	M-2	3.98000%
M-3	$0.00000000	$3.53916620	$0.00000000	$3.53916620	$1,000.00000000	M-3	4.11000%
M-4	$0.00000000	$3.62527887	$0.00000000	$3.62527887	$1,000.00000000	M-4	4.21000%
M-5	$0.00000000	$3.66833239	$0.00000000	$3.66833239	$1,000.00000000	M-5	4.26000%
M-6	$0.00000000	$4.09888732	$0.00000000	$4.09888732	$1,000.00000000	M-6	4.76000%
B-1	$0.00000000	$4.48638732	$0.00000000	$4.48638732	$1,000.00000000	B-1	5.21000%
B-2	$0.00000000	$5.13222066	$0.00000000	$5.13222066	$1,000.00000000	B-2	5.96000%
B-3	$0.00000000	$5.99333333	$0.00000000	$5.99333333	$1,000.00000000	B-2	6.96000%
B-4	$0.00000000	$5.99333099	$0.00000000	$5.99333099	$1,000.00000000	B-2	6.96000%
P	$0.00000000	$571,573.60000000	$0.00000000	$571,573.60000000	$1,000.00000000	P	0.00000%
X	$0.00000000	$0.68136315	$0.00000000	$0.68136315	$892.04734734	X	0.89825%
R	$0.00000000	$0.00000000	$0.00000000	$0.00000000	$0.00000000	R	3.60000%
R-II	$0.00000000	$0.00000000	$0.00000000	$0.00000000	$0.00000000	R-II	3.60000%
						LIBOR	3.46000%

Page 4

		Credit Suisse First Boston Mortgage Securities Corp.							Contact:
		Home Equity Pass-Through Certificates, Series 2005-AGE1							Kristy Frideres
									Account Administrator
		STATEMENT TO CERTIFICATEHOLDERS							651-495-2124
		Section 4.04 of the PSA, dated April 1, 2005							kristy.frideres@usbank.com

Distribution Date:

25-Aug-05

(i)	Principal Distributions:
	Beginning Balance	258,499,039.84
	Scheduled Principal	586,401.02
	Prepayments (Includes Curtailments)	4,546,259.27
	Net Liquidation Proceeds	0.00
	Loan Purchase Prices	23,682.21
	Total Principal Remittance	5,156,342.50
	Net Realized Losses	0.00
	Ending Balance	253,342,697.34
	Ending Count	5,353

(ii)

Aggregate Ending Collateral Balance

253,342,697.34

(iii)

Ending Overcollateralization Amount

3,834,018.93

(iv)	Interest Distributions:
	Scheduled Interest - Net of Serv Fee & LPMI & Dividend Rewards	2,061,327.31
	Less Relief Act Interest Shortfall	0.00
	Less Net Prepayment Interest Shortfall	0.00
		2,061,327.31

(v)	Servicing Fee					107,707.94
	Trustee Fee					2,908.11

(vi)	Advances	Current Aggregate Advances as of determination date				675,898.65
		Outstanding Aggregate Advances as of end of prior calendar month				698,566.51

(vii)

Has SPS failed the Termination Test?

(viii)

Delinquency Information

	30-59 days delinquent		60-89 days delinquent		90 or more days delinquent
	Count	Balance	Count	Balance	Count	Balance
Total	303	15,516,964.76	127	6,876,509.59	63	2,819,949.31
*Note: The above statistics do not include loans in foreclosure or bankruptcy proceedings or REO properties.

	Outstanding Loans		Foreclosure		Bankruptcy		REO
	Count	Balance	Count	Balance	Count	Balance	Count	Balance	Market Value
Total	5,353	253,342,697.34	52	2,648,299.62	271	14,665,961.79	0	0.00	0.00

Page 4

		Credit Suisse First Boston Mortgage Securities Corp.							Contact:
		Home Equity Pass-Through Certificates, Series 2005-AGE1							Kristy Frideres
									Account Administrator
		STATEMENT TO CERTIFICATEHOLDERS							651-495-2124
		Section 4.04 of the PSA, dated April 1, 2005							kristy.frideres@usbank.com

Distribution Date:

25-Aug-05

(ix)	Number of Loans for which Prepayment Premiums were collected	6
	Principal Balance of Loans for which Prepayment Premiums were collected	306,713.97
	Current amount of Prepayment Premiums	3,958.82

(x)	Current Delinquency Rate (60+days)					10.66173%
	Rolling Three Month Delinquency Rate (60+days)					7.46968%

(xi)	Number of Loans Repurchased					1
	Principal Balance of Loans Repurchased					23,682.21

(xii)	Realized Losses incurred during the related Due Period					0.00
	Cumulative Realized Losses since Startup Day					0.00

(xiii)	Weighted Average Term to Maturity of Mortgage Loans	181
	Weighted Average Gross Coupon of Mortgage Loans	10.09883%
	Weighted Average Net Coupon of Mortgage Loans	9.58533%

(xiv)	Aggregate number of Mortgage Loans in the pool					5,353
(xvii)	Insured Payment on Class A					0.00

(xv)

Senior Enhancement Percentage

16.60821%

(xvi)	Deposit to Basis Risk Reserve Fund					0.00
	Basis Risk Reserve Fund Balance					5,000.00

(xvii)	Outstanding Interest Arrearage Amount		854,400.79
(xxi)	Interest Arrearage Payment		24,619.86
	Deferred Interest Shortfalls		0.00
	Ending Interest Arrearage Amount		829,780.93
		Deposits	0.00
(xviii)	Pre-Exisiting Preservation Expense Amount		2,336,458.48
	Pre-Exisiting Preservation Expense Payment		140,967.60
	Ending Pre-Exisiting Preservation Expense Amount		2,195,490.88
(xix)	Count of loans with Pre-Existing Preservation Expenses		368
	Balance of loans with Pre-Existing Preservation Expense		18,333,079.82

Page 4

CSFB Home Equity Pass-Through Certificates, Series 2005-AGE1 8-K